| //===- DWARFDebugAbbrev.h ---------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_DEBUGINFO_DWARFDEBUGABBREV_H |
| #define LLVM_DEBUGINFO_DWARFDEBUGABBREV_H |
| |
| #include "llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h" |
| #include "llvm/Support/DataExtractor.h" |
| #include <cstdint> |
| #include <map> |
| #include <vector> |
| |
| namespace llvm { |
| |
| class raw_ostream; |
| |
| class DWARFAbbreviationDeclarationSet { |
| uint32_t Offset; |
| /// Code of the first abbreviation, if all abbreviations in the set have |
| /// consecutive codes. UINT32_MAX otherwise. |
| uint32_t FirstAbbrCode; |
| std::vector<DWARFAbbreviationDeclaration> Decls; |
| |
| using const_iterator = |
| std::vector<DWARFAbbreviationDeclaration>::const_iterator; |
| |
| public: |
| DWARFAbbreviationDeclarationSet(); |
| |
| uint32_t getOffset() const { return Offset; } |
| void dump(raw_ostream &OS) const; |
| bool extract(DataExtractor Data, uint32_t *OffsetPtr); |
| |
| const DWARFAbbreviationDeclaration * |
| getAbbreviationDeclaration(uint32_t AbbrCode) const; |
| |
| const_iterator begin() const { |
| return Decls.begin(); |
| } |
| |
| const_iterator end() const { |
| return Decls.end(); |
| } |
| |
| private: |
| void clear(); |
| }; |
| |
| class DWARFDebugAbbrev { |
| using DWARFAbbreviationDeclarationSetMap = |
| std::map<uint64_t, DWARFAbbreviationDeclarationSet>; |
| |
| mutable DWARFAbbreviationDeclarationSetMap AbbrDeclSets; |
| mutable DWARFAbbreviationDeclarationSetMap::const_iterator PrevAbbrOffsetPos; |
| mutable Optional<DataExtractor> Data; |
| |
| public: |
| DWARFDebugAbbrev(); |
| |
| const DWARFAbbreviationDeclarationSet * |
| getAbbreviationDeclarationSet(uint64_t CUAbbrOffset) const; |
| |
| void dump(raw_ostream &OS) const; |
| void parse() const; |
| void extract(DataExtractor Data); |
| |
| DWARFAbbreviationDeclarationSetMap::const_iterator begin() const { |
| parse(); |
| return AbbrDeclSets.begin(); |
| } |
| |
| DWARFAbbreviationDeclarationSetMap::const_iterator end() const { |
| return AbbrDeclSets.end(); |
| } |
| |
| private: |
| void clear(); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_DEBUGINFO_DWARFDEBUGABBREV_H |